Use to add aftermarket speakers to factory door location. Water resistant- Sturdy plastic. Includes 2 pair for 4 doors- 4 speaker plates and 4 speaker wire harness. Fits most 6 and 6.5 inch speakers- Speaker plate dimensions- depth- approximately 5/8th of an inch, width diameter- approximately 5"- 5.5" with inner tabs removed - can be trimmed out to fit up to about 5 1/2" speaker diameter. Not all speakers have the same dimensions- some speakers will require cutting and trimming the spacer. Compatible Vehicles: Made for Lexus: 2002-2006 ES series, 1999-2003 RX series; Made for Scion: 2004-2007 XA , Made for Toyota: 2018-2020 Toyota C-HR , 2000-2005 Celica , 2001-2011 Prius , 2008-2012 Sequoia , 1998-2012 Sienna